What are some interesting facts about nature?

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An octopus has three hearts, with only one of them circulating blood through its body, while the other two hearts serve only to pump blood through the gills. Microscopic animals called tardigrades can survive temperatures of negative 300 degrees Fahrenheit for more than a year, the vacuum of space for months at a time and atmospheric pressures 600 times higher than the pressure on the earth's surface.

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The Giant Sequoia tree can grow up to 311 feet tall, sprout branches up to 8 feet in diameter and live up to 3,000 years. A Giant Sequoia in California, known as General Sherman, is the oldest living organism on Earth. It is also the largest tree in the world as of 2015, with a weight of 2.7 million pounds.

The largest living single organism in the world is believed to be an Armillaria ostoyae, a fungal organism that spans almost 2,400 acres in Oregon. The largest living structures on Earth, composed of many individual organisms, are coral reefs, with some visible from outer space. Coral reefs support more species than any of the world's ecosystems, including rain forests.

A group of parrots in called a pandemonium, a group of squid is called an audience, a group of owls is called a parliament and a group of lemurs is called a conspiracy.